Question

8x9+8x1x11

Answer 1

\(8.9+8.1+.11\)

\(=8.\left(9+1\right).11\)

\(=8.10.11\)

\(=80.11\)

\(=880\)

Answer 2

=72+8x11

=72+88

=160

Answer 3

\(=8\times\left(9+11\right)\)

\(=8\times20\)

\(=160\)

Answer 4

8x(9+1+11)=168

Answer 5

8.9+8.1.11

=72+8.1.11

=72+8.11

=72+88

=160